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. Author manuscript; available in PMC: 2013 Aug 1.
Published in final edited form as: Adv Drug Deliv Rev. 2012 Jan 14;64(11):1021–1030. doi: 10.1016/j.addr.2012.01.003

Fig. 7.

Fig. 7

(A) Synthesis of photo-curable silyl ether cross-linkers. (B) TEM micrographs of PRINT hexnut particles incubated in HeLa cells: (a–f) rapidly degrading hexnut particles fabricated from the DMS cross-linker [scale bars: (a) 10 µm; (b–f) 0.5 µm; (g, h) nondegrading hexnut particles fabricated from the DTS cross-linker (scale bars: 0.5 µm). Reproduced from Ref. 44 with permission of American Chemical Society.